3D in red/blue filter glasses

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Madcap13

I actually did this ages ago. Except I was way cheap.
Instead of going through the trouble of blending the
red and green/blue/whatever together, I did this.

I made an image the same size as the current screensize and it was dithered black and that bright pink
color,<255,0,255>.
Firstly I made the black transparent and I pasted it over
one of the colored cameras. Red, I think.
Then I grabimaged that screen and made the <255,0,255> transparent.
Then I pasted it over the green/blue camera shot.

Then voila! Cheap ass 3d goggle imagery. I remember it being pretty darn fast too.